THESE are the most advanced stocks during NYSE After-Hours trade, as of 8/23/2013, 4:56 P.M.

Barnes & Noble, Inc. (NYSE: BKS)

BKS was trading at $14.47, up 0.48 percent with 3.43 percent change on 5,329 total traded shares

Goodrich Petroleum Corporation (NYSE: GDP)

GDP was trading at $21.79, up 0.70 percent with 3.32 percent change on 25,700 total traded shares

Frontline Limited (NYSE: FRO)

FRON was trading at $2.89, up 0.07 percent with 2.48 percent change on 10,496 total traded shares

Opko Health Inc (NYSE: OPK)

OPK was trading at $8.65, up 0.15 percent with 1.76 percent change on 5,050 total traded shares

Dynegy Inc. (NYSE: DYN)

DYN was trading at $19.79, up 0.31 percent with 1.59 percent change on 11,273 total traded shares

Millennial Media, Inc. (NYSE: MM)

MM was trading at $6.95, up 0.10 percent with 1.46 percent change on 3,200 total traded shares

AK Steel Holding Corporation (NYSE: AKS)

AKS was trading at $3.60, up 0.05 percent with 1.41 percent change on 33,617 total traded shares

Endeavour Silver Corporation (NYSE: EXK)

EXK was trading at $5.41, up 0.07 percent with 1.31 percent change on 4,856 total traded shares

TCF Financial Corporation (NYSE: TCB)

TCB was trading at $15.03, up 0.19 percent with 1.28 percent change on 3,080 total traded shares

YPF Sociedad Anonima (NYSE: YPF)

YPF was trading at $16.870, up 0.210 percent with 1.26 percent change on 3,409 total traded shares